A navy crew-neck t-shirt and a black suit are among those sport-anywhere-anytime pieces that have become the absolute must-haves in any modern man's sartorial arsenal. A pair of black and white low top sneakers effortlessly turns up the street cred of this ensemble. Naturally, it's easier to work through a warm weather afternoon in a cool ensemble like this one. Ensembles like this go a long way towards developing your personal style as a teenage boy.